/*
 * Alloy Analyzer
 * Copyright (c) 2004 Massachusetts Institute of Technology
 *
 * The Alloy Analyzer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The Alloy Analyzer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Alloy Analyzer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package alloy.gui;

import java.lang.ref.SoftReference;
import java.util.Date;

import alloy.ast.Command;
import alloy.viz.alloyviz.VizInstance;
import alloy.viz.gui.VizPanel;

/**
 * class used to indicate successful metamodel generation
 */
class SuccessfulMetaAnalysis extends Analysis {

    VizInstance _metaInstance;

    SoftReference softVizPanel; // reference to VizPanel

    SuccessfulMetaAnalysis(
			   String name_,
			   ModelPanel textWindow_,
			   String modelString_,
			   Command.Info commandInfo_,
			   Date startTime_,
			   long durationMillis_,
			   VizInstance metaInstance_) {

	super(name_, textWindow_, modelString_, commandInfo_, startTime_, durationMillis_);
	_metaInstance = metaInstance_;
    }

    VizInstance getMetaInstance() {
	return _metaInstance;
    }

    VizPanel getVizPanel() {
	if (softVizPanel != null && softVizPanel.get() != null)
	    return (VizPanel)softVizPanel.get();

	String filePath = getFilePanel().getTextArea().getFilePath();
	VizPanel vizPanel =
	    new VizPanel(getMetaInstance(),
			 new alloy.api.AlloyEvaluator(null),
			 filePath,
			 true);
	softVizPanel = new SoftReference(vizPanel);
	return vizPanel;
    }
}
